articlelistview.h

/*
    This file is part of Akregator.
 
    Copyright (C) 2004 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
    As a special exception, permission is given to link this program
    with any edition of TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
#ifndef AKREGATORARTICLELISTVIEW_H
#define AKREGATORARTICLELISTVIEW_H
 
#include <tdelistview.h>
 
class TQKeyEvent;
class TQDragObject;
template <class T> class TQValueList;
 
namespace Akregator
{
    class Article;
    class TreeNode;
 
    namespace Filters
    {
        class ArticleMatcher;
    }
 
    class ArticleListView : public TDEListView
    {
        TQ_OBJECT
  
        public:
            ArticleListView(TQWidget *parent = 0, const char *name = 0);
            virtual ~ArticleListView();
            
            Article currentArticle() const;
            
            TQValueList<Article> selectedArticles() const;
            
            enum Columns { itemTitle, feedTitle, pubDate };
 
        public slots:

            void slotShowNode(TreeNode* node);
            
            void slotClear();
            
            void slotSetFilter(const Akregator::Filters::ArticleMatcher& textFilter, const Akregator::Filters::ArticleMatcher& statusFilter);

            void slotPreviousArticle();

            void slotNextArticle();

            void slotPreviousUnreadArticle();

            void slotNextUnreadArticle();
 
        signals:
            void signalArticleChosen(const Article& article);
            void signalDoubleClicked(const Article&, const TQPoint&, int);
            //void signalContextMenu(TDEListView*, ArticleItem*, const TQPoint&);
            void signalMouseButtonPressed(int, const Article&, const TQPoint &, int);
             
        protected:            
            virtual void keyPressEvent(TQKeyEvent* e);
            
            virtual void applyFilters();
            
            int visibleArticles();
            
            void paintInfoBox(const TQString &message);
            
            virtual void viewportPaintEvent(TQPaintEvent *e);
            
            void connectToNode(TreeNode* node);
            void disconnectFromNode(TreeNode* node);
            
            virtual TQDragObject *dragObject();
 
        protected slots:
 
            void slotArticlesAdded(TreeNode* node, const TQValueList<Article>& list);
            void slotArticlesUpdated(TreeNode* node, const TQValueList<Article>& list);
            void slotArticlesRemoved(TreeNode* node, const TQValueList<Article>& list);
 
            virtual void slotCurrentChanged(TQListViewItem* item);
            virtual void slotSelectionChanged();
            virtual void slotDoubleClicked(TQListViewItem* item, const TQPoint& p, int i);
            virtual void slotContextMenu(TDEListView* list, TQListViewItem* item, const TQPoint& p);
            virtual void slotMouseButtonPressed(int, TQListViewItem *, const TQPoint &, int);
            
        public:         // compat with KDE-3.x assertions, remove for KDE 4
    // private:
            class ArticleListViewPrivate;
            ArticleListViewPrivate* d;
            
            friend class ColumnLayoutVisitor;
            class ColumnLayoutVisitor;
            
            class ArticleItem;
    };
}
 
#endif